mirror of
https://github.com/UpsilonNumworks/Upsilon.git
synced 2026-03-20 14:20:39 +01:00
52 lines
991 B
C++
52 lines
991 B
C++
#ifndef SHARED_EXPIRING_POINTER_H
|
|
#define SHARED_EXPIRING_POINTER_H
|
|
|
|
#include <escher.h>
|
|
|
|
namespace Shared {
|
|
|
|
template <class T>
|
|
class ExpiringPointer {
|
|
template<typename U>
|
|
friend class ExpiringPointer;
|
|
public:
|
|
ExpiringPointer(T * rawPointer, bool reinitGlobal = true) : m_rawPointer(rawPointer) {
|
|
#if DEBUG
|
|
s_global = rawPointer;
|
|
#endif
|
|
}
|
|
template<class U>
|
|
ExpiringPointer(ExpiringPointer<U> p) : m_rawPointer(static_cast<T *>(p.m_rawPointer)) {
|
|
#if DEBUG
|
|
s_global = m_rawPointer;
|
|
#endif
|
|
}
|
|
bool isNull() { return m_rawPointer == nullptr; }
|
|
T *operator->() {
|
|
#if DEBUG
|
|
assert(m_rawPointer != nullptr && m_rawPointer == s_global);
|
|
#endif
|
|
return m_rawPointer;
|
|
}
|
|
T &operator*() {
|
|
#if DEBUG
|
|
assert(m_rawPointer != nullptr && m_rawPointer == s_global);
|
|
#endif
|
|
return *m_rawPointer;
|
|
}
|
|
private:
|
|
#if DEBUG
|
|
static T * s_global;
|
|
#endif
|
|
T * m_rawPointer;
|
|
};
|
|
|
|
#if DEBUG
|
|
template<class T>
|
|
T * ExpiringPointer<T>::s_global = nullptr;
|
|
#endif
|
|
|
|
}
|
|
|
|
#endif
|